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Installation, Operation and Maintenance Manual of ASME Ball Valve
1. Scope This manual includes electric operated, pneumatic operated, hydraulic operated and oil-gas operated flanged connection three-piece forged trunnion ball valves and fully welded ball valves with nominal size NPS 8~36 & Class 300~2500. 2. Product Description 2.1 Technical requirements 2...Read more -
Installation and maintenance guide of Steam Trap Valves
1． Parameter Design Design Standards：GB/T13927-2008 Flange：GB/T9113-GB/T9124 JB/T79.1-79.4 HG20592-20635 ASME B16.5 ASME B16.47 Screw thread：GB/T7505 55° GB/T12716 60° BSP British pipe thread NPT American pipe thread Structure Length：GB/T12250 Or customers Test test：GB/T12251 Shell ...Read more -
Exhibition Schedule
As a dedicated valve & actuator supplier, CONVISTA will attend the Iran Oil Show in Tehran, from 06th to 09h May, 2015 and the Argentina Oil & Gas Show in Buenos Aires, from 05th to 08h October, 2015. Meeting there, talking face to face to multiply our mutual contact and business!Read more -
New Competitive Products
Partnering with Tianjin Better valve, CONVISTA has launched a new product line— its self-operated safety shut-off valve and pressure regulating valve series. This series of valves is very competitive and can be applied to gas transmission station of long-distance pipeline, city gas pressure regul...Read more -
The 5th International Oil &Gas Show in Algiers
As multinational business is expanding in China, overseas market has been attached much importance by CONVISTA in its exploring blueprint. CONVISTA will be due to attend the exhibition from 03th to 06th March, 2015. Our stand no. is B18 and warm welcome to your visit!Read more
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